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1988 Honda CRX
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Just because something is new, that does not absolutely mean it works.
 

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98 Civic EX
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4,874 Posts
it sounds like you need to pull out the multimeter and start taking in readings while the vehicle is at operating temps...
 

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98 Civic EX
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4,874 Posts
get a service manual...they are all over the interwebs...
 

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432 Posts
Discussion Starter · #72 · (Edited)
Hi guys thanks, I picked up a haynes and a multi tester.... everything was within range (iat, ect, o2) the only thing i couldn't test was the map sensor as i didn't have a way to induce vacuum on it.

I replaced the cap and rotor as on further inspection I saw my current rotor was starting to get corroded.

The thing i'm noticing now is a distinct clicking or tapping sound coming from the distributor. Using the "screwdriver" stethoscope it's loudest at the middle of the cap... what on earth could that be? I removed the cap several times to check for any possible contact on the rotor; there was none. It's the same frequency as the valves/ injectors (which are all clicking as they should btw) however its MUCH more pronounced.

Same distributor just different cap and rotor; didn't click before and now does.... no signs of anything hitting...
 

· Registered
1988 Honda CRX
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8,413 Posts
Put the old cap and rotor back on.
 

· Registered
1988 Honda CRX
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8,413 Posts
Are you sure the rotor is aligned properly and all the way down.

Are you sure the carbon rod in the middle of the cap is in place properly and it's spring is OK
 

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432 Posts
Discussion Starter · #76 · (Edited)
Are you sure the rotor is aligned properly and all the way down.

Are you sure the carbon rod in the middle of the cap is in place properly and it's spring is OK
Almost positive but i will be checking again today.
It almost sounds like valve lash thas resonating through to the distributor i dunno just a crazy theory :wacko:
 

· Registered
1988 Honda CRX
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8,413 Posts
Do you know if the distributor shaft bearings are OK.

If you remove the dissy does it spin freely and quietly.
 

· Registered
98 Civic EX
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4,874 Posts
have you done a compression check? if not do that first
 

· I no longer haz teh pink eye! Iz got STINK EYE
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4,681 Posts
Hi guys thanks, I picked up a haynes and a multi tester.... everything was within range (iat, ect, o2) the only thing i couldn't test was the map sensor as i didn't have a way to induce vacuum on it.

I replaced the cap and rotor as on further inspection I saw my current rotor was starting to get corroded.

The thing i'm noticing now is a distinct clicking or tapping sound coming from the distributor. Using the "screwdriver" stethoscope it's loudest at the middle of the cap... what on earth could that be? I removed the cap several times to check for any possible contact on the rotor; there was none. It's the same frequency as the valves/ injectors (which are all clicking as they should btw) however its MUCH more pronounced.

Same distributor just different cap and rotor; didn't click before and now does.... no signs of anything hitting...
what were your readings for your o2 sensor? diagnosing an oxygen sensor with a non graphing multimeter is not a great way to test. did you drive the car lean or rich and see how the sensor reacted?
 
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